Mrs. Black isn’t in and I’ll have to ring ___. I would appreciate it if you ring ____ after 6 o’clock.
| A．off; back | B．up; off | C．out; up | D．back; off |
The Smiths don't usually like staying at ________ hotels，but last summer they spent a few days at a very nice hotel by ________ sea.
| A．/；a | B．the；the | C．/；the | D．the；a |
The bus to the Forbidden City runs on ________ hour by ________ hour.
| A．the；the | B．an；the |
| C．the；/ | D．an；/ |
Dr.Peter Spence, ________ headmaster of the school, told us, “________ fifth of pupils here go on to study at Oxford and Cambridge.”
| A．/；A A | B．/；The | C．the；The | D．a；A |
Many lifestyle patterns do such ________ great harm to health that they actually speed up ________ weakening of the human body.
| A．a；/ | B．/；the | C．a；the | D．/；/ |
It's ________ good feeling for people to admire the Shanghai World Expo that gives them ________ pleasure.
| A．/；a | B．a；/ | C．the；a | D．a；the |